decltype

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Detect operator support with decltype/SFINAE

A (somewhat) outdated article explores ways to use decltype along with SFINAE to detect if a type supports certain operators, such as == or <.[详细]

2023-03-01 12:21 分类：问答
C++0x decltype and the scope resolution operator

With a class such as Foo: struct Foo { static const int i = 9; }; 开发者_如何学Go I find that GCC 4.5 will reject the following[详细]

2023-02-21 21:01 分类：问答
Instantiating a function definition in a template that uses decltype only in certain circumstances

As an exercise in understanding C++0x, I am trying to create a C++ class that wraps a pointer of some template-ized type:[详细]

2023-02-21 19:19 分类：问答
decltype not working properly in gcc 4.3.2?

#include <iostream> #include <map> using namespace std; int main() { int x = 5; decltype(x) y = 10;[详细]

2023-02-15 19:09 分类：问答
C++ Types Impossible to Name

While reading Wikipedia\'s page on decltype, I was curious about the statement, Its [decltype\'s] primary intended use is in generic[详细]

2023-02-15 14:07 分类：问答
Member function call in decltype

The following code: struct开发者_如何转开发 A { int f(int); auto g(int x) -> decltype(f(x)); };[详细]

2023-02-14 04:05 分类：问答
Another problem with decltype

template<class IntT, IntT low = IntT(), IntT high = IntT()> struct X { static_assert(std::is_same<decltype(low),decltype(high)>::value,\"Different types not allowed\");//this should give[详细]

2023-02-12 19:03 分类：问答
decltype in static_assert

Why this (static_assert) in a definition of a class doesn\'t work? template<class IntT, IntT low = IntT(), IntT high = IntT()>[详细]

2023-02-12 05:03 分类：问答
decltype in class template specialization

I am trying to use declt开发者_如何学JAVAype inside a template class as follows: #include <functional>[详细]

2023-02-12 01:57 分类：问答
Using decltype in a late specified return in CRTP base class

I\'m trying to use decltype in the late specified return of a member function in a CRTP base class and it\'s erroring with: invalid use of incomplete type const struct AnyOp<main()::<lambda(int)[详细]

2023-02-12 01:29 分类：问答